First insert a text box, enter a string of English
Make a copy and increase the distance
Select two English at the same time, use the tween to make a lot of dense shadows
Open an English, the remaining right button to set the shape effect format
Choose gray and turn it into a shadow
When you close it, you do a long projection of the complex object. You can see that I also made the red wavy line underneath and there are not many tweens.